Missile fin unit



FIG. 1, shows the side view of the missile fin unit;

FIG. 2, shows the top view of the missile fin unit;

FIG. 3, shows the bottom view of the missile fin unit: and,

FIG. 4, show sectional view of the missile fin unit taken along line 4--4 of FIG. 2. 

The ornamental design for a missile fin unit, as shown and described. 